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320篇 您的检索式:作者名="Morrils"
    题名 作者 年代 出处 被引量
1花粉记录的青藏高原中部中全新世以来植被与环境显示文摘青藏高原中部的草甸/草原混合生态群落,对气候变化非常敏感.孢粉记录显示草原发育时期,莎草减少,区域气候是相对干旱的,在时间上对应季风相对弱的时期.依据唐古拉山垭口湖、阿洪错和错那3个淡水湖泊钻孔孢粉分析,定量重建的温度和降水指标,探讨该地区8200 cal a BP以来的植被与气候变化.8200~6500 cal a BP,尤其是8200~7200 cal a BP,植被以草甸/草原混合生态群落为主,显示强季风控制着青藏高原中部;6000~4900,4400~3900以及2800~2400 cal a BP时期区域植被以草原植被为主,应是3次百年尺度的干旱事件;4900~4400 cal a BP期间植被类型由草原向草甸转变;6500~5400和3000~1600 cal a BP出现两次大的变干事件;数值摸拟估计,高原中部接近于现今的环境,最早可能出现在6500cal a BP,自3000cal a BP以后高原中部季风性降水和湿度逐渐减少至现今水平,可能在700~300cal a BP出现一次小冰期变冷事件.唐领余 沈才明 李春海 彭金兰 刘惠 Kam-Biu Liu Carrie Morrill Jonathan T.Overpeck Jonathan E.Cole 杨保 2009中国科学(D辑)2009,39,5:28
2Pollen-inferred vegetation and environmental changes in the central Tibetan Plateau since 8200 yr BP显示文摘The ecotone between alpine steppe and meadow in the central Tibetan Plateau is sensitive to climate changes. Here we used the pollen records from three lakes in this region to reconstruct the evolution of local vegetation and climate since 8200 cal. yr BP. The history of temperature and precipitation was reconstructed quantitatively with multi-bioclimatic indexes and a transfer function from pollen records. Results show that the steppe/meadow dominated during the period of 8200―6500 cal. yr BP, especially 8200―7200 cal. yr BP, indicating the central Tibetan Plateau was controlled by strong monsoon. The steppe dominated during the periods of 6000―4900, 4400―3900, and 2800―2400 cal. yr BP. The steppe decreased gradually and the meadow expanded during the period of 4900―4400 cal. yr BP. Three century-scale drought events occurred during 5800―4900, 4400―3900 and 2800 cal. yr BP, respectively. The first time when the regional climate shifted to the present level was at 6500 cal. yr BP in the central Plateau. Since 3000 cal. yr BP, the temperature and precipitation have decreased gradually to the present level. However, the cold climate between 700―300 cal. yr BP likely corresponds to the Little Ice Age.LIU Kam-Biu Carrie MORRILL Jonathan T. OVERPECK Julia E. COLE 2009Science China Earth Sciences2009,52,8:13
33D tissue engineering,an emerging technique for pharmaceutical research显示文摘Tissue engineering and the tissue engineering model have shown promise in improving methods of drug delivery, drug action, and drug discovery in pharmaceutical research for the attenuation of the central nervous system inflammatory response. Such inflammation contributes to the lack of regenerative ability of neural cells, as well as the temporary and permanent loss of function associated with neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and traumatic brain injury. This review is focused specifically on the recent advances in the tissue engineering model made by altering scaffold biophysical and biochemical properties for use in the treatment of neurodegenerative diseases. A portion of this article will also be spent on the review of recent progress made in extracellular matrix decellularization as a new and innovative scaffold for disease treatment.Gregory Jensen Christian Morrill Yu Huang 2018Acta Pharmaceutica Sinica B2018,8,5:6
4Apoptosis in inner ear sensory hair cells显示文摘Apoptosis, or controlled cell death, is a normal part of cellular lifespan. Cell death of cochlear hair cells causes deafness; an apoptotic process that is not well understood. Worldwide, 1.3 billion humans suffer some form of hearing loss, while 360 million suffer debilitating hearing loss as a direct result of the absence of these cochlear hair cells(Worldwide Hearing, 2014). Much is known about apoptosis in other systems and in other cell types thanks to studies done since the mid-20 th century. Here we review current literature on apoptosis in general, and causes of deafness and cochlear hair cells loss as a result of apoptosis. The family of B-cell lymphoma(Bcl) proteins are among the most studied and characterized. We will review current literature on the Bcl2 and Bcl6 protein interactions in relation to apoptosis and their possible roles in vulnerability and survival of cochlear hair cells.Seth Morrill David Z.Z. He 2017Journal of Otology2017,12,4:3
5多种代用资料和模型模拟得到的亚洲季风在8.2ka显著气候影响的证据(英文)显示文摘Given the likelihood of future reductions in the strength of the Atlantic Meridional Overturning Circulation(AMOC),it is important to document how changes in the AMOC have altered climate patterns in the past and to assess the skill of coupled climate models in reproducing these teleconnections.Of past abrupt changes in the AMOC,the 8.2 ka event provides a particularly useful case study because its duration,magnitude of AMOC reduction and background climate state are closest to conditions expected in the future.In this research,we present an expanded proxy synthesis of the 8.2 ka event in monsoonal Asia,including new high-resolution lake and bog records,more sites from the East Asia monsoon region and proxies of winter monsoon strength.We compare proxy evidence with a new simulation of the 8.2 ka event using the Community Climate System Model version 3(CCSM3) and prescribing North Atlantic freshwater forcing according to the latest reconstructions.We find clear and objectively-determined evidence for 8.2 ka climate anomalies at nearly all of the fourteen proxy sites,emphasizing the strong and widespread impacts of the event in monsoonal Asia during both summer and winter seasons.The model simulation corroborates that these anomalies,described generally as a weakening of the summer monsoon and strengthening of the winter monsoon,were likely caused by a reduction of the AMOC.Examination of regional anomalies in East Asia reveals some spatial heterogeneity,however,that in the model simulation is caused by contraction of the seasonal migration of the subtropical monsoon front.The duration of climate anomalies at 8.2 ka in monsoonal Asia,both in proxy records and the model simulation,generally matches the duration of the event in Greenland ice core δ^(18)O,further supporting a tight connection to the North Atlantic.MORRILL Carrie WAGNER Amy J OTTO-BLIESNER Bette L ROSENBLOOM Nan 2011地球环境学报2011,2,3:3
6Soy protein concentrate and heated soy flours as protein sources in milk replacer for preruminant calves显示文摘Dawson D P Morrill J L Reddy P G 1988J Dairy Sci1988,71,:1
7The Virginia Standards of Learning:Where Is Geography for Life 显示文摘Robert W Morrill 2004The Social Studies2004,,:1
8Efficiency and equity aspects of optimum lo- cation 显示文摘Morrill R L Symons J 1977Geographical Analysis1977,,3:1
9Organocatalytic Functionalization of Carboxylic Acids : Isothiomea-cata- lyzed Asymmetric Imra- and Intermolecular Michael Addition-lactonizations 显示文摘BELMESSIERI D MORRILL L C SIMAL C 2011Journal of the American Chemical Society2011,133,8:1
10Effect of protein source in calf milk replacers on morphology and absorptive ability of the small intestine显示文摘Seegraber F J Morrill J L 1986J Dairy Sci1986,69,:1
11Effects of form of the diet onanatomical, microbial, and fermentative development of the rumen of neonatal calves显示文摘Beharka A A Nagaraja T G Morrill J L 1998Dairy Sci1998,81,7:1
12Hot spots in silver nanowire bundles for surface-enhanced Raman spectroscopy 显示文摘Lee S J Morrill A R Moskovits M 2006J Am Chem Soc2006,128,7:1
13A synthesis of abrupt changes in the Asian summer monsoon since the last deglaciation 显示文摘Morrill C Overpeck J T Cole J E 2003The Holocene2003,13,:1
14Noise and hearing conservation manual, 4th edition edited by elliott 显示文摘BERGER E H WARD W D MORRILL J C 1987J Acoust Soc Am1987,82,5:1
15Focus on plasma medicine显示文摘Morrill G Kong MG Zimmemann J 2009New Jourral of Physical2009,11,11:1
16Comparison of the serodia treponema pallidum particle agglutination,captia-syphilis-G,and spirotek Reagin II tests with standard test techniques for diagnoses of syphilis显示文摘Pope V Fears MB Morrill WE 2000J Clin Microbiol2000,38,7:1
17Effect of processing sorghum grain on dairy calf performance 显示文摘Abdelgadir I E Morrill J L 1995J Dairy Sci1995,78,:1
18Ru- minal microbial development in conventionally or early- weaned calves 显示文摘ANDERSON K L NAGARAJA T G MORRILL J I 1987Animal Science1987,64,4:1
19Transport expansion in underdeveloped countries 显示文摘Taaffe E J Morrill R L and Gould P R 1963Geographical Review1963,,53:1
20Caveolin-Na/K-ATPaseinteractions:role of transmembrane topology in non-genomicsteroid signal transduction显示文摘Morrill GA Kostellow AB Askari A 2012Steroids2012,77,11:1
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